Amelanchier Alnifolia - Erlenblättrige rock pear

Amelanchier Alnifolia, known in German as an alder leafy rock bulb, belongs to the Rosaceae family. This species is particularly valued for its edible fruits and attractive flowers. Amelanchier Alnifolia was first described by the German botanist Friedrich August Marschall von Bieberstein. The genus Amelanchier comprises about 20 species, which mainly occur in the moderate zones of the northern hemisphere. A. Alnifolia is particularly widespread in North America.

Morphological characteristics

Amelanchier Alnifolia is a deciduous shrub or small tree that can reach a height of up to 5 meters. The plant has a dense, bushy growth shape with slim, gray -brown to reddish branches. The leaves are simple, egg -shaped to elliptical, and have a length of 2 to 5 centimeters. They are dark green on the top and brighter on the on the on the onto, often with fine teeth on the edge and a soft texture.

The flowers of Amelanchier Alnifolia are white and arranged in upright, grape -shaped inflorescences. Each flower has five petals and numerous stamens that give the plant a characteristic appearance. The heyday ranges from April to May and is known for its beauty and mild fragrance. After flowering, small, spherical, dark purple up to black fruits develop that are edible and have a sweet taste. The fruits ripen in late summer and are very popular in both humans and birds.

Ecological claims and distribution

Amelanchier Alnifolia prefers sunny to partially shaded locations and thrives best in well -permeable, slightly acidic to neutral soils. The plant is relatively resistant to dryness and copes well with different types of soil, including sandy, loamy and stony floors. It is hardy and can withstand temperatures up to -40 ° C, which makes it suitable for cultivation in moderate and colder climate zones.

The natural spread of Amelanchier Alnifolia extends over North America, from Alaska and Canada to the northwest of the United States. It typically grows in forests, on river bank and on prairies. Due to its decorative properties and edible fruits, it is also cultivated in gardens and parks in other parts of the world.

Cultural and economic importance

Amelanchier Alnifolia has a long history of use by indigenous peoples of North America, which used the fruits freshly or dried and used to prepare Pemmikan, a traditional food. Today the plant is cultivated commercially and the fruits are used for the production of jams, juices and baked goods. They are rich in vitamins and antioxidants, which makes them a healthy source of food.

In the landscape design, Amelanchier Alnifolia is appreciated for its attractive flowers, colorful autumn leaves and the edible fruits. The plant is well suited as an ornamental shrub, hedge plant or to stabilize slopes and embankments. Their deep roots help to bind the ground and prevent erosion.

Care and increase

The care of Amelanchier Alnifolia is relatively uncomplicated. The plant only needs minimal care as soon as it is established. An occasional pruning promotes a thicker growth shape and removes dead or damaged branches. The plant should be irrigated during longer dry periods to avoid stress, especially in the first years after planting.

The increase is mainly through seeds that can be sown in autumn or spring. The seeds often need cold stamping to break the germ rest, which means that they have to be exposed to a period of low temperatures before they can germinate. Alternatively, the plant can be increased by cuttings or lowerers.